Welwyn Garden City monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Welwyn Garden City

Welwyn Garden City average temperature chart (Celsius) Welwyn Garden City average temperature chart (Fahrenheit)
Average monthly temperatures in Welwyn Garden City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.2 6.6 9.3 12.1 15.9 19.3 21.3 21 18.3 14.4 9.5 7
°F 43.2 43.8 48.8 53.9 60.7 66.7 70.3 69.8 65 58 49 44.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Welwyn Garden City monthly rainfall chart (mm) Welwyn Garden City monthly rainfall chart (inches)
Average monthly rainfall in Welwyn Garden City (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 60 43 52 49 52 56 49 53 55 61 61 64
inches 2.4 1.7 2.1 1.9 2.1 2.2 1.9 2.1 2.2 2.4 2.4 2.5
Rainy days 18 13 16 15 14 12 11 12 12 14 17 16

Average annual rainfall in Welwyn Garden City: 706.4mm (278.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Welwyn Garden City

Welwyn Garden City average daily sunshine chart
Average daily sunshine Welwyn Garden City
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.7 3.8 5.2 6.7 7.2 6.7 6.5 5.3 3.8 2.5 1.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Welwyn Garden City average minimum / maximum temperatures (Celsius) Welwyn Garden City average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Welwyn Garden City (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.9 0.9 2.1 3.9 6.7 9.7 11.7 11.6 9.7 7.2 3.4 1.7
Max °C 6.4 6.7 9.5 12.4 16.2 19.5 21.5 21.3 18.6 14.6 9.6 7.2
Min °F 33.5 33.6 35.8 38.9 44 49.5 53.1 52.8 49.4 45 38.1 35
Max °F 38.5 38.8 42.4 46.6 52.5 58.3 61.9 61.5 57.4 51.6 43.7 39.9

Sea temperature

The graph below shows the average sea temperature.

Welwyn Garden City average sea temperature chart (Celsius) Welwyn Garden City average sea temperature chart (Fahrenheit)
Average sea temperature around Welwyn Garden City in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.9 7.9 7.9 9.1 11 13.3 15.5 17 17 15.6 13.2 10.7
°F 48 46.2 46.2 48.4 51.8 55.9 59.9 62.6 62.6 60 55.7 51.3

Wind speed

The graph below shows the average wind speed.

Welwyn Garden City average winspeed by month (km/h) Welwyn Garden City average winspeed by month (mph)
Average wind speed in Welwyn Garden City (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 16 16 14 13 13 13 13 13 15 16
mph 10 10 10 10 9 8 8 8 8 8 9 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Welwyn Garden City relative humidity averages
Average relative humidity in Welwyn Garden City
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 83% 79% 78% 77% 77% 78% 82% 87% 90% 92%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Welwyn Garden City weather stats

Welwyn Garden City weather statistics
Hottest month: July 21.3°C 70.3°F
Driest month: February 43mm 1.7ins
Sunniest month: August 6.5hrs
Coldest month: January 6.2°C 43.2°F
Wettest month: December 64mm 2.5ins
Warmest sea: August 17°C 62.6°F
Map showing location of Welwyn Garden City (51.80174, -0.20691) Welwyn Garden City map pin © Google

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